怎么把这段js代码转换成jquery代码

Question

functionalertSet(e){document.getElementById("js-alert-box").style.display="block",document.getElementById("js-alert-head").innerHTML=e;vart=20,n=document.getElementById("js-sec-circle");document.getElementById("js-sec-text").innerHTML=t,setInterval(function(){if(0==t){location.href="http://www.jq-school.com";}else{t-=1,document.getElementById("js-sec-text").innerHTML=t;vare=Math.round(t/20*735);n.style.strokeDashoffset=e-735}},970);}